American Cheese

American cheese is a pasteurized process cheese product—an engineered melting cheese unlike any natural variety. Its defining characteristic is the addition of emulsifiers, typically sodium citrate or sodium phosphate, which bind fat and protein into a stable emulsion. This science is what gives American cheese its signature smooth, stringy melt without the oil separation that plagues natural cheese under high heat. The result is a cheese that performs a specific, irreplaceable function in the kitchen: it melts evenly and stays cohesive, whether draped over a burger patty or stirred into a velvety sauce.

The product originated in 1911 when J. L. Kraft patented the processed cheese method, revolutionizing shelf stability and melt consistency. It is made by blending young cheeses—usually cheddar, colby, or similar—with whey, milk fat, and those crucial emulsifiers. The legal classifications matter: "Pasteurized Process Cheese" must contain at least 51% cheese, while "Process Cheese Food" and "Process Cheese Product" allow progressively more additives and less actual cheese. The orange color, when present, comes from annatto; white American is identical but uncolored, preferred for white sauces.

Serious cooks recognize that American cheese serves a distinct purpose. Its flavor is mild, buttery, and slightly salty with a subtle tang—not complex or nuanced, but intentionally approachable. This mildness is a feature, not a flaw: it provides creamy richness without competing with other strong flavors. The trade-off is clear: when melt performance and functional cooking matter more than artisanal complexity, American cheese is the tool for the job. Many professional kitchens keep a loaf on hand precisely for this reason.